Side-by-side comparison · 24 data points
| Shopify Flow | Out Of Stock Alert Restock Lab | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
Smart inventory management with real-time alerts, automation, & analytics for zero stock-out issues.
| Metric | Shopify Flow | Out Of Stock Alert Restock Lab |
|---|---|---|
| Rating | 4.7 ★ | ★ 5.0 ★ |
| Total reviews | ★ 11k | 1 |
| Free plan | Yes | Yes |
| Pricing | Free | Free |
| Built for Shopify | — | — |
| Pricing tiers | — | 1 tier |
| Listed features | 3 | ★ 5 |
| Featured placements | 3 | — |
| Review velocity (30d) | 928 new | — |
| Languages | 1 supported | 1 supported |
| Listed since | Sep 2017 | Feb 2026 |
Out Of Stock Alert Restock Lab edges out Shopify Flow on rating (5.0★ vs 4.7★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number. Pricing entry tiers: Shopify Flow at Free, Out Of Stock Alert Restock Lab at Free. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (apps, orders, integrations) varies. Shopify Flow has the larger user base (10,880 reviews vs 1), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Out Of Stock Alert Restock Lab's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Out Of Stock Alert Restock Lab; mid-market and enterprise merchants with specific feature requirements should evaluate both — Shopify Flow's 10,880-review base may include the workflow context that matches your specific use case better than Out Of Stock Alert Restock Lab's broader-but-shallower coverage. This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Shopify Flow audit • Out Of Stock Alert Restock Lab audit
| Keyword | Shopify Flow | Out Of Stock Alert Restock Lab |
|---|---|---|
| shopify flow | #1 | Not ranked |
| Not ranked | #169 | |
| customer service automation | #217 | Not ranked |
| customer support automation | #221 | Not ranked |
Not featured in any section recently.
No tracked changes.
| Signal | Shopify Flow | Out Of Stock Alert Restock Lab |
|---|---|---|
| Average rating | 4.7 ★ (11k) | 5.0 ★ (1) |
| Rating distribution | 585% 49% 33% 21% 12% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +215 | — |
| Reviews · last 30 days | +928 | — |
| Reviews · last 90 days | +1.5k | — |
Both Shopify Flow and Out Of Stock Alert Restock Lab offer paid plans only. Shopify Flow starts at Free; Out Of Stock Alert Restock Lab starts at Free. Compare the per-tier features in the Pricing section above before committing.
Out Of Stock Alert Restock Lab has the higher average rating (5.0★ from 1 reviews) compared to Shopify Flow (4.7★ from 10,880 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Shopify Flow fits better if you prioritize broader integrations; Out Of Stock Alert Restock Lab is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Shopify Flow has more onboarding documentation maturity (10,880 reviews vs 1), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Shopify Flow typically suits established stores with steady traffic based on its review-base composition (10,880 reviews). Out Of Stock Alert Restock Lab aligns more with early-stage and growth-mode stores (1 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Could be a bit more simplified. to cater non coder/non developer store owners.
No reviews yet.
Migration support varies by app and category. Shopify Flow and Out Of Stock Alert Restock Lab both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Out Of Stock Alert Restock Lab" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
